Every severe weather report published for St. Johns County, Florida, newest first.
The National Weather Service has issued a rip current statement for coastal areas of Northeast Florida, including Coastal Nassau, Coastal Duval, and Coastal Flagler, effective from Wednesday night through Thursday evening.
The National Weather Service warns that hot temperatures and high humidity may cause heat illnesses, urging residents in northeast Florida to take precautions.
The National Weather Service Jacksonville FL advisory, issued Aug. 19, 2026, spans 41 zones in northeast and northern Florida and southeast Georgia, with heat index values up to 111 for the first advisory and up to 110 for the second.
A heat advisory will take effect on Wednesday for 41 zones across northeast and northern Florida and southeast Georgia.
A developing weather advisory warns of heat index values reaching up to 112 degrees across 46 zones.